[text-auditor] Fix clear typo families in package docs/changelog (auxilary/occured/seperate)

Audit scope: `packages/**/manifest.yml`, `packages/**/README.md`, `packages/**/changelog.yml`, and package docs markdown. ` /tmp/previous-findings.json` was accessible and reviewed for novelty.

## Problem family 1: `auxilary` -> `auxiliary`
- `packages/1password/docs/README.md:282` — `Any auxilary id related to the event.`
- `packages/1password/docs/README.md:283` — `Any auxilary info related to the event.`
- `packages/1password/docs/README.md:284` — `Any auxilary uuid related to the event.`

Why: clear typo in user-facing field descriptions.

## Problem family 2: `occured` -> `occurred`
- `packages/sophos_central/docs/README.md:319` — `...ips threat occured.`
- `packages/sophos_central/docs/README.md:331` — `...threat occured.`
- `packages/fortinet_forticlient/docs/README.md:899` — `...an event occured...`
- `packages/slack/docs/README.md:67` — `...activity occured...`
- `packages/juniper_junos/docs/README.md:845` — `...an event occured...`
- `packages/bluecoat/docs/README.md:742` — `...an event occured...`
- `packages/checkpoint_harmony_endpoint/docs/README.md:753` — `...error occured`
- `packages/netscout/docs/README.md:743` — `...an event occured...`
- `packages/radware/docs/README.md:742` — `...an event occured...`
- `packages/tomcat/docs/README.md:667` — `...an event occured...`
- `packages/cylance/docs/README.md:659` — `...an event occured...`
- `packages/trend_micro_vision_one/docs/README.md:456` — `...activity occured.`
- `packages/juniper_netscreen/docs/README.md:832` — `...an event occured...`

Note: skipped `packages/eset_protect/docs/README.md:456` because `"occured"` appears as a sample raw-event key and may intentionally mirror source payload.

## Problem family 3: `Seperate` -> `Separate`
- `packages/cloud_security_posture/changelog.yml:389` — `Seperate KSPM and CSPM cloudformation templates`

Why: clear typo in changelog entry.

Novelty: checked against `/tmp/previous-findings.json`; these typo families (`auxilary`, `occured`, `seperate`) were not found in prior issue titles.

> [!NOTE]
>
> 🔒 Integrity filter blocked 35 items
>
> The following items were blocked because they don't meet the GitHub integrity level.
>
> - elastic/integrations#19285 `list_issues`: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
> - elastic/integrations#19283 `list_issues`: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
> - elastic/integrations#19258 `list_issues`: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
> - elastic/integrations#19246 `list_issues`: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
> - elastic/integrations#19243 `list_issues`: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
> - elastic/integrations#19242 `list_issues`: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
> - elastic/integrations#19241 `list_issues`: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
> - elastic/integrations#19240 `list_issues`: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
> - elastic/integrations#19239 `list_issues`: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
> - elastic/integrations#19231 `list_issues`: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
> - elastic/integrations#19230 `list_issues`: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
> - elastic/integrations#19229 `list_issues`: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
> - elastic/integrations#19228 `list_issues`: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
> - elastic/integrations#19227 `list_issues`: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
> - elastic/integrations#19224 `list_issues`: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
> - [#12606](https://github.com/elastic/integrations/issues/12606) `search_issues`: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
> - ... and 19 more items
>
> To allow these resources, lower `min-integrity` in your GitHub frontmatter:
>
> ```yaml
> tools:
> github:
> min-integrity: approved # merged | approved | unapproved | none
> ```
>
>

---
[What is this?](https://ela.st/github-ai-tools) | [From workflow: Text Auditor](https://github.com/elastic/integrations/actions/runs/26633720462)

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